PhysicsChapter 3: Waves
Longitudinal
Introduction
In a longitudinal wave, particles vibrate parallel to the direction of wave travel. The wave consists of: compressions — regions where particles are closer together; rarefactions — regions where particles are farther apart.
Definition
Examples
* sound waves in air; * P seismic waves; * compression waves in a spring.
Exam preparation
Exam Focus
Quick revision
Revision Zone
Review the key facts, formulas and checks before you move on.Longitudinal
Sticky Notes · Quick Revision
LONGITUDINAL
- Parallel
COMPRESSION
- Close
RAREFACTION
- Farther apart
60-second revision
- Vibration ∥ propagation
- Compression → crowded
- Rarefaction → spread out
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